Comparison

Digit Detective vs Katakana Examples

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Digit Detective

Features
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Features of Digit Detective β€’ Three engaging games that help individuals exercise their memory β€’ Helps train attention, memory and focus β€’ Difficulty level is automatically adjusted β€’ Two-Player Option is available β€’ Scores can also be emailed to keep a record of an individual's progress. β€’ Colorful graphics and lively music make this game fun to play β€’ Kid-safe: No third party ads or tracking This game helps to develop an individual’s attention and memory skills while providing while providing practice remembering number sequences. Adults and young people, ages 13+, will have fun playing and learning in different colorful settings. All of our games are specially created to help individuals practice the cognitive abilities important for success in school and life. The games automatically adjust to allow individuals to learn at a level of difficulty personalized for them. As they succeed, new challenges at harder levels will be presented. Individuals will be challenged to develop their thinking speed as they are required to respond faster and faster in order to win. While an individual's difficulty level is automatically adjusted based on his or her performance, it can be easily modified when necessary. Distraction stimuli can also be added to reinforce increased focus and the ability to stay on task. Each round must be completed for grades to be saved in single player mode. Please note that no grades are saved in two player mode. Two player mode only records which Player (1 or 2) won the match after three rounds are completed. A training session is completed only when the program is stopped and then removed from memory. If the program is left open in the background and it is selected, then the last session started will be continued.

About

Katakana Examples

Read full description

Browse example word cards with speech for correct pronunciation, compare Katakana vs. Hiragana, practice typing on the Kana keyboard. This app requires iOS 26.0 or later.

Screenshots

Digit Detective4 screens
Katakana Examples4 screens

Verdict

The call

The clearest difference is update cadence: Katakana Examples at every 3 months against Digit Detective's every 39 months. Digit Detective's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Digit Detective ships an update every 39 months, Katakana Examples every 3 months. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

Scorecard2 real differences Β· 4 level
Digit Detective versus Katakana Examples: the parameters behind the verdict, then further details
ParameterDigit DetectiveKatakana Examples
PriceFreeFree
Update frequencyEvery 39 monthsEvery 3 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad β€” betteriPhone
Requires iOS17.0 β€” better26.0
Further details β€” not scored
Size32 MB18 MB
Age rating4+4+
DeveloperBrainTrain Inc.Zoli Udvar

In-app purchases

None

Digit Detective

No in-app purchases

None

Katakana Examples

No in-app purchases

Questions

Is Digit Detective free?
Digit Detective is free to download, with no in-app purchases.
Is Katakana Examples free?
Katakana Examples is free to download, with no in-app purchases.
Do Digit Detective or Katakana Examples have ads?
Neither Digit Detective nor Katakana Examples shows ads.
Which is updated more often, Digit Detective or Katakana Examples?
Digit Detective ships an update every 39 months, and Katakana Examples every 3 months. Most recently, Digit Detective was updated on November 11, 2026 and Katakana Examples on November 8, 2026.

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